-// ld d, (ri)
-static void op01(unsigned int op, unsigned int imm)
-{
- unsigned int tmpv;
- tmpv = ptr1_read(op); REG_WRITE((op & 0xf0) >> 4, tmpv);
-}
-
-// ld (ri), s
-static void op02(unsigned int op, unsigned int imm)
-{
- unsigned int tmpv;
- tmpv = REG_READ((op & 0xf0) >> 4); ptr1_write(op, tmpv);
-}
-
-// ldi d, imm
-static void op04(unsigned int op, unsigned int imm)
-{
- REG_WRITE((op & 0xf0) >> 4, imm);
-}
-
-// ld d, ((ri))
-static void op05(unsigned int op, unsigned int imm)
-{
- unsigned int tmpv;
- tmpv = ptr2_read(op); REG_WRITE((op & 0xf0) >> 4, tmpv);
-}
-
-// ldi (ri), imm
-static void op06(unsigned int op, unsigned int imm)
-{
- ptr1_write(op, imm);
-}
-
-// ld adr, a
-static void op07(unsigned int op, unsigned int imm)
-{
- ssp->RAM[op & 0x1ff] = rA;
-}
-
-// ld d, ri
-static void op09(unsigned int op, unsigned int imm)
-{
- unsigned int tmpv;
- tmpv = rIJ[(op&3)|((op>>6)&4)]; REG_WRITE((op & 0xf0) >> 4, tmpv);
-}
-
-// ld ri, s
-static void op0a(unsigned int op, unsigned int imm)
-{
- rIJ[(op&3)|((op>>6)&4)] = REG_READ((op & 0xf0) >> 4);
-}
-
-// ldi ri, simm (also op0d op0e op0f)
-static void op0c(unsigned int op, unsigned int imm)
-{
- rIJ[(op>>8)&7] = op;
-}
-
-// call cond, addr
-static void op24(unsigned int op, unsigned int imm)
-{
- int cond = 0;
- do {
- COND_CHECK
- if (cond) { int new_PC = imm; write_STACK(GET_PC()); SET_PC(new_PC); }
- }
- while (0);
-}
-
-// ld d, (a)
-static void op25(unsigned int op, unsigned int imm)
-{
- unsigned int tmpv;
- tmpv = ((unsigned short *)svp->iram_rom)[rA]; REG_WRITE((op & 0xf0) >> 4, tmpv);
-}
-
-// bra cond, addr
-static void op26(unsigned int op, unsigned int imm)
-{
- do
- {
- int cond = 0;
- COND_CHECK
- if (cond) SET_PC(imm);
- }
- while (0);
-}
-
-// mod cond, op
-static void op48(unsigned int op, unsigned int imm)
-{
- do
- {
- int cond = 0;
- COND_CHECK
- if (cond) {
- switch (op & 7) {
- case 2: rA32 = (signed int)rA32 >> 1; break; // shr (arithmetic)
- case 3: rA32 <<= 1; break; // shl
- case 6: rA32 = -(signed int)rA32; break; // neg
- case 7: if ((int)rA32 < 0) rA32 = -(signed int)rA32; break; // abs
- default: elprintf(EL_SVP|EL_ANOMALY, "ssp FIXME: unhandled mod %i @ %04x",
- op&7, GET_PPC_OFFS());
- }
- UPD_ACC_ZN // ?
- }
- }
- while(0);
-}
-
-// mpys?
-static void op1b(unsigned int op, unsigned int imm)
-{
- read_P(); // update P
- rA32 -= rP.v; // maybe only upper word?
- UPD_ACC_ZN // there checking flags after this
- rX = ptr1_read_(op&3, 0, (op<<1)&0x18); // ri (maybe rj?)
- rY = ptr1_read_((op>>4)&3, 4, (op>>3)&0x18); // rj
-}
-
-// mpya (rj), (ri), b
-static void op4b(unsigned int op, unsigned int imm)
-{
- read_P(); // update P
- rA32 += rP.v; // confirmed to be 32bit
- UPD_ACC_ZN // ?
- rX = ptr1_read_(op&3, 0, (op<<1)&0x18); // ri (maybe rj?)
- rY = ptr1_read_((op>>4)&3, 4, (op>>3)&0x18); // rj
-}
-
-// mld (rj), (ri), b
-static void op5b(unsigned int op, unsigned int imm)
-{
- rA32 = 0;
- rST &= 0x0fff; // ?
- rX = ptr1_read_(op&3, 0, (op<<1)&0x18); // ri (maybe rj?)
- rY = ptr1_read_((op>>4)&3, 4, (op>>3)&0x18); // rj
-}
-
-// OP a, s
-static void op10(unsigned int op, unsigned int imm)
-{
- do
- {
- unsigned int tmpv;
- OP_CHECK32(OP_SUBA32); tmpv = REG_READ(op & 0x0f); OP_SUBA(tmpv);
- }
- while(0);
-}
-
-static void op30(unsigned int op, unsigned int imm)
-{
- do
- {
- unsigned int tmpv;
- OP_CHECK32(OP_CMPA32); tmpv = REG_READ(op & 0x0f); OP_CMPA(tmpv);
- }
- while(0);
-}
-
-static void op40(unsigned int op, unsigned int imm)
-{
- do
- {
- unsigned int tmpv;
- OP_CHECK32(OP_ADDA32); tmpv = REG_READ(op & 0x0f); OP_ADDA(tmpv);
- }
- while(0);
-}
-
-static void op50(unsigned int op, unsigned int imm)
-{
- do
- {
- unsigned int tmpv;
- OP_CHECK32(OP_ANDA32); tmpv = REG_READ(op & 0x0f); OP_ANDA(tmpv);
- }
- while(0);
-}
-
-static void op60(unsigned int op, unsigned int imm)
-{
- do
- {
- unsigned int tmpv;
- OP_CHECK32(OP_ORA32 ); tmpv = REG_READ(op & 0x0f); OP_ORA (tmpv);
- }
- while(0);
-}
-
-static void op70(unsigned int op, unsigned int imm)
-{
- do
- {
- unsigned int tmpv;
- OP_CHECK32(OP_EORA32); tmpv = REG_READ(op & 0x0f); OP_EORA(tmpv);
- }
- while(0);
-}
-
-// OP a, (ri)
-static void op11(unsigned int op, unsigned int imm)
-{
- unsigned int tmpv;
- tmpv = ptr1_read(op); OP_SUBA(tmpv);
-}
-
-static void op31(unsigned int op, unsigned int imm)
-{
- unsigned int tmpv;
- tmpv = ptr1_read(op); OP_CMPA(tmpv);
-}
-
-static void op41(unsigned int op, unsigned int imm)
-{
- unsigned int tmpv;
- tmpv = ptr1_read(op); OP_ADDA(tmpv);
-}
-
-static void op51(unsigned int op, unsigned int imm)
-{
- unsigned int tmpv;
- tmpv = ptr1_read(op); OP_ANDA(tmpv);
-}
-
-static void op61(unsigned int op, unsigned int imm)
-{
- unsigned int tmpv;
- tmpv = ptr1_read(op); OP_ORA (tmpv);
-}
-
-static void op71(unsigned int op, unsigned int imm)
-{
- unsigned int tmpv;
- tmpv = ptr1_read(op); OP_EORA(tmpv);
-}
-
-// OP a, adr
-static void op03(unsigned int op, unsigned int imm)
-{
- unsigned int tmpv;
- tmpv = ssp->RAM[op & 0x1ff]; OP_LDA (tmpv);
-}
-
-static void op13(unsigned int op, unsigned int imm)
-{
- unsigned int tmpv;
- tmpv = ssp->RAM[op & 0x1ff]; OP_SUBA(tmpv);
-}
-
-static void op33(unsigned int op, unsigned int imm)
-{
- unsigned int tmpv;
- tmpv = ssp->RAM[op & 0x1ff]; OP_CMPA(tmpv);
-}
-
-static void op43(unsigned int op, unsigned int imm)
-{
- unsigned int tmpv;
- tmpv = ssp->RAM[op & 0x1ff]; OP_ADDA(tmpv);
-}
-
-static void op53(unsigned int op, unsigned int imm)
-{
- unsigned int tmpv;
- tmpv = ssp->RAM[op & 0x1ff]; OP_ANDA(tmpv);
-}
-
-static void op63(unsigned int op, unsigned int imm)
-{
- unsigned int tmpv;
- tmpv = ssp->RAM[op & 0x1ff]; OP_ORA (tmpv);
-}
-
-static void op73(unsigned int op, unsigned int imm)
-{
- unsigned int tmpv;
- tmpv = ssp->RAM[op & 0x1ff]; OP_EORA(tmpv);
-}
-
-// OP a, imm
-static void op14(unsigned int op, unsigned int imm)
-{
- OP_SUBA(imm);
-}
-
-static void op34(unsigned int op, unsigned int imm)
-{
- OP_CMPA(imm);
-}
-
-static void op44(unsigned int op, unsigned int imm)
-{
- OP_ADDA(imm);
-}
-
-static void op54(unsigned int op, unsigned int imm)
-{
- OP_ANDA(imm);
-}
-
-static void op64(unsigned int op, unsigned int imm)
-{
- OP_ORA (imm);
-}
-
-static void op74(unsigned int op, unsigned int imm)
-{
- OP_EORA(imm);
-}
-
-// OP a, ((ri))
-static void op15(unsigned int op, unsigned int imm)
-{
- unsigned int tmpv;
- tmpv = ptr2_read(op); OP_SUBA(tmpv);
-}
-
-static void op35(unsigned int op, unsigned int imm)
-{
- unsigned int tmpv;
- tmpv = ptr2_read(op); OP_CMPA(tmpv);
-}
-
-static void op45(unsigned int op, unsigned int imm)
-{
- unsigned int tmpv;
- tmpv = ptr2_read(op); OP_ADDA(tmpv);
-}
-
-static void op55(unsigned int op, unsigned int imm)
-{
- unsigned int tmpv;
- tmpv = ptr2_read(op); OP_ANDA(tmpv);
-}
-
-static void op65(unsigned int op, unsigned int imm)
-{
- unsigned int tmpv;
- tmpv = ptr2_read(op); OP_ORA (tmpv);
-}
-
-static void op75(unsigned int op, unsigned int imm)
-{
- unsigned int tmpv;
- tmpv = ptr2_read(op); OP_EORA(tmpv);
-}
-
-// OP a, ri
-static void op19(unsigned int op, unsigned int imm)
-{
- unsigned int tmpv;
- tmpv = rIJ[IJind]; OP_SUBA(tmpv);
-}
-
-static void op39(unsigned int op, unsigned int imm)
-{
- unsigned int tmpv;
- tmpv = rIJ[IJind]; OP_CMPA(tmpv);
-}
-
-static void op49(unsigned int op, unsigned int imm)
-{
- unsigned int tmpv;
- tmpv = rIJ[IJind]; OP_ADDA(tmpv);
-}
-
-static void op59(unsigned int op, unsigned int imm)
-{
- unsigned int tmpv;
- tmpv = rIJ[IJind]; OP_ANDA(tmpv);
-}
-
-static void op69(unsigned int op, unsigned int imm)
-{
- unsigned int tmpv;
- tmpv = rIJ[IJind]; OP_ORA (tmpv);
-}
-
-static void op79(unsigned int op, unsigned int imm)
-{
- unsigned int tmpv;
- tmpv = rIJ[IJind]; OP_EORA(tmpv);
-}
-
-// OP simm
-static void op1c(unsigned int op, unsigned int imm)
-{
- OP_SUBA(op & 0xff);
-}
-
-static void op3c(unsigned int op, unsigned int imm)
-{
- OP_CMPA(op & 0xff);
-}
-
-static void op4c(unsigned int op, unsigned int imm)
-{
- OP_ADDA(op & 0xff);
-}
-
-static void op5c(unsigned int op, unsigned int imm)
-{
- OP_ANDA(op & 0xff);
-}
-
-static void op6c(unsigned int op, unsigned int imm)
-{
- OP_ORA (op & 0xff);
-}
-
-static void op7c(unsigned int op, unsigned int imm)
-{
- OP_EORA(op & 0xff);
-}
-
-typedef void (in_func)(unsigned int op, unsigned int imm);
-
-static in_func *in_funcs[0x80] =
-{
- op00, op01, op02, op03, op04, op05, op06, op07,
- NULL, op09, op0a, NULL, op0c, op0c, op0c, op0c,
- op10, op11, NULL, op13, op14, op15, NULL, NULL,
- NULL, op19, NULL, op1b, op1c, NULL, NULL, NULL,
- NULL, NULL, NULL, NULL, op24, op25, op26, NULL,
- NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
- op30, op31, NULL, op33, op34, op35, NULL, NULL,
- NULL, op39, NULL, NULL, op3c, NULL, NULL, NULL,
- op40, op41, NULL, op43, op44, op45, NULL, NULL,
- op48, op49, NULL, op4b, op4c, NULL, NULL, NULL,
- op50, op51, NULL, op53, op54, op55, NULL, NULL,
- NULL, op59, NULL, op5b, op5c, NULL, NULL, NULL,
- op60, op61, NULL, op63, op64, op65, NULL, NULL,
- NULL, op69, NULL, NULL, op6c, NULL, NULL, NULL,
- op70, op71, NULL, op73, op74, op75, NULL, NULL,
- NULL, op79, NULL, NULL, op7c, NULL, NULL, NULL,
-};
-
-
-static u32 ssp_pm_read(int reg)